"…we did not want to start Phoenix development until after we released Ivory v2.3" https://tapbots.com/phoenix/#:~:text=we%20did%20not%20want%20to%20start%20Phoenix%20development%20until%20after%20we%20released%20Ivory%20v2.3
So I guess they're starting now as v2.3 is out 🤔 https://tapbots.social/@ivory/114110436182458268